This changes BaseObj to support 64-bit IDs. There are a few caveats:
1. Since it is deprecated, RSG will not support 64-bit.
2. Currently, methods that pass arrays of IDs to the driver are not supported in 64-bit. This will be fixed in a later CL.
bug 11332320
Change-Id: If0dbecc8b285e260f767e441e05088b6a1b749a2